screenblank works with the new rc system now, rejoyce

service/screenblank.lua

@@ -1,7 +1,9 @@
 local lastkey = computer.uptime()
 local state = true
 local delay = 60
-while true do
+function start()
+ return os.spawn(function()
+  while true do
    tEv = {coroutine.yield()}
    if tEv[1] == "key_down" then
     lastkey = computer.uptime()
@@ -18,4 +20,6 @@ while true do
     end
     state = false
    end
+  end
+ end,"screenblank")
 end